Combined skylight and base



FIG. 1 is a perspective view of a combined skylight and base showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image of the view shown in this Figure;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image of the view shown in this Figure; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a combined skylight and base, as shown and described. 